That 'Worst Twerk Fail Ever' video that went viral over the weekend WAS fake and Jimmy Kimmel was behind it.

He made it a couple months ago, and waited for it to blow up. So last night he had the woman in the video on as a guest. She's a stuntwoman named  Daphne Avalon. And in the full version of the video, after she twerks, falls over, and catches on fire, Kimmel shows up with a fire extinguisher.

Here's Jimmy revealing the prank: